<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>频域图</title>
  <link rel="stylesheet" href="./index.css">
</head>

<body>
  <canvas id="MyCanvas"></canvas>
  <audio id="MyAudio" controls preload crossorigin="anonymous"></audio>
  <input id="MyInput" type="text" placeholder="音频网址写在这里，按下播放会自动加载" />
</body>

<script src="./index.js"></script>

</html>